5242289 has 4 divisors (see below), whose sum is σ = 5645556. Its totient is φ = 4839024.

The previous prime is 5242249. The next prime is 5242291. The reversal of 5242289 is 9822425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 3783025 = 1208^2 + 1945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5242289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201614 + ... + 201639.

It is an arithmetic number, because the mean of its divisors is an integer number (1411389).

Almost surely, 2^5242289 is an apocalyptic number.

It is an amenable number.

5242289 is a deficient number, since it is larger than the sum of its proper divisors (403267).

5242289 is a wasteful number, since it uses less digits than its factorization.

5242289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403266.

The product of its digits is 11520, while the sum is 32.

The square root of 5242289 is about 2289.6045510088. The cubic root of 5242289 is about 173.7161996256.

The spelling of 5242289 in words is "five million, two hundred forty-two thousand, two hundred eighty-nine".